144 lines
3.6 KiB
Go
144 lines
3.6 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubelet
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import (
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"reflect"
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"testing"
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v1 "k8s.io/api/core/v1"
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kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
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)
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func TestBuildKubeletArgMap(t *testing.T) {
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tests := []struct {
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name string
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opts kubeletFlagsOpts
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expected map[string]string
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}{
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{
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name: "the simplest case",
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opts: kubeletFlagsOpts{
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nodeRegOpts: &kubeadmapi.NodeRegistrationOptions{
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CRISocket: "/var/run/dockershim.sock",
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Taints: []v1.Taint{ // This should be ignored as registerTaintsUsingFlags is false
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{
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Key: "foo",
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Value: "bar",
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Effect: "baz",
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},
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},
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},
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},
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expected: map[string]string{
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"network-plugin": "cni",
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},
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},
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{
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name: "hostname override from NodeRegistrationOptions.Name",
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opts: kubeletFlagsOpts{
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nodeRegOpts: &kubeadmapi.NodeRegistrationOptions{
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CRISocket: "/var/run/dockershim.sock",
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Name: "override-name",
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},
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},
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expected: map[string]string{
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"network-plugin": "cni",
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"hostname-override": "override-name",
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},
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},
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{
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name: "hostname override from NodeRegistrationOptions.KubeletExtraArgs",
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opts: kubeletFlagsOpts{
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nodeRegOpts: &kubeadmapi.NodeRegistrationOptions{
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CRISocket: "/var/run/dockershim.sock",
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KubeletExtraArgs: map[string]string{"hostname-override": "override-name"},
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},
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},
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expected: map[string]string{
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"network-plugin": "cni",
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"hostname-override": "override-name",
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},
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},
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{
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name: "external CRI runtime",
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opts: kubeletFlagsOpts{
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nodeRegOpts: &kubeadmapi.NodeRegistrationOptions{
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CRISocket: "/var/run/containerd.sock",
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},
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},
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expected: map[string]string{
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"container-runtime": "remote",
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"container-runtime-endpoint": "/var/run/containerd.sock",
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},
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},
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{
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name: "register with taints",
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opts: kubeletFlagsOpts{
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nodeRegOpts: &kubeadmapi.NodeRegistrationOptions{
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CRISocket: "/var/run/containerd.sock",
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Taints: []v1.Taint{
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{
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Key: "foo",
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Value: "bar",
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Effect: "baz",
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},
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{
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Key: "key",
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Value: "val",
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Effect: "eff",
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},
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},
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},
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registerTaintsUsingFlags: true,
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},
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expected: map[string]string{
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"container-runtime": "remote",
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"container-runtime-endpoint": "/var/run/containerd.sock",
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"register-with-taints": "foo=bar:baz,key=val:eff",
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},
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},
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{
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name: "pause image is set",
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opts: kubeletFlagsOpts{
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nodeRegOpts: &kubeadmapi.NodeRegistrationOptions{
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CRISocket: "/var/run/dockershim.sock",
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},
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pauseImage: "gcr.io/pause:3.2",
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},
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expected: map[string]string{
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"network-plugin": "cni",
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"pod-infra-container-image": "gcr.io/pause:3.2",
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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actual := buildKubeletArgMap(test.opts)
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if !reflect.DeepEqual(actual, test.expected) {
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t.Errorf(
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"failed buildKubeletArgMap:\n\texpected: %v\n\t actual: %v",
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test.expected,
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actual,
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)
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}
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})
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}
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}
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